Pet drinking fountain



FIG. 1 is a perspective view of a pet drinking fountain showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged detail view of portion 9 show in FIG. 1 ; and,

FIG. 10 is an enlarged detail view of portion 10 show in FIG. 2 .

The drawings show broken lines in the drawings depict portions of the pet drinking fountain. FIGS. 1, 2, 9 and 10 show broken lines that represent the boundaries and indicators of the enlarged detail views. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a pet drinking fountain, as shown and described. 